fixes #795 - Support reading Xbmc nfo's

MediaBrowser.LocalMetadata/Providers/FolderXmlProvider.cs

@@ -0,0 +1,33 @@
+using System.IO;
+using System.Threading;
+using MediaBrowser.Common.IO;
+using MediaBrowser.Controller.Entities;
+using MediaBrowser.Controller.Providers;
+using MediaBrowser.Model.Logging;
+
+namespace MediaBrowser.LocalMetadata.Providers
+{
+    /// <summary>
+    /// Provides metadata for Folders and all subclasses by parsing folder.xml
+    /// </summary>
+    public class FolderXmlProvider : BaseXmlProvider<Folder>
+    {
+        private readonly ILogger _logger;
+
+        public FolderXmlProvider(IFileSystem fileSystem, ILogger logger)
+            : base(fileSystem)
+        {
+            _logger = logger;
+        }
+
+        protected override void Fetch(LocalMetadataResult<Folder> result, string path, CancellationToken cancellationToken)
+        {
+            new BaseItemXmlParser<Folder>(_logger).Fetch(result.Item, path, cancellationToken);
+        }
+
+        protected override FileSystemInfo GetXmlFile(ItemInfo info, IDirectoryService directoryService)
+        {
+            return new FileInfo(Path.Combine(info.Path, "folder.xml"));
+        }
+    }
+}